Weather Records on 21 November 1977

1,313 weather records were set or tied worldwide on 21 November 1977. Highest significance: Fergus Falls, US.

Key Facts for 21 November 1977

On 21 November 1977, 1,313 weather records were set or tied at long-record stations worldwide.
148 were record highs and 613 were record lows, counting maximum and minimum temperature.
By timescale, 7 were all-time records, 59 monthly and 1,247 daily.
Fergus Falls set a daily record snow depth of 30.5 cm (12.0 in) on 21 November 1977.
Across 159 earlier years (1803 to 2025) the same calendar date averaged 444 records.

Record Map

1,313 stations

1,313 station records on 21 November 1977 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 21 November 1977: highest significance records shown on the map
Station	Country	Type	Value	Significance
Fergus Falls	United States	Record snow depth	30.5 cm (12.0 in)	69 of 100 (Major)
Alice Springs Post Office	Australia	Record daily precipitation	47.4 mm (1.9 in)	67 of 100 (Major)
Undoolya	Australia	Record daily precipitation	61.8 mm (2.4 in)	65 of 100 (Major)
Sonoma	United States	Record daily precipitation	137.2 mm (5.4 in)	65 of 100 (Major)
San Rafael-Civic Ctr	United States	Record daily precipitation	165.1 mm (6.5 in)	63 of 100 (Major)
Petersburg 2 N	United States	Record daily precipitation	44.2 mm (1.7 in)	63 of 100 (Major)
Chiloquin 1 E	United States	Record daily snowfall	35.6 cm (14.0 in)	61 of 100 (Major)
Lakeport	United States	Record daily precipitation	72.4 mm (2.9 in)	59 of 100 (Notable)
Napa State Hospital	United States	Record daily precipitation	148.6 mm (5.9 in)	59 of 100 (Notable)
Susanville 2SW	United States	Record daily snowfall	17.8 cm (7.0 in)	58 of 100 (Notable)
Lakeview 2 NNW	United States	Record daily snowfall	27.9 cm (11.0 in)	58 of 100 (Notable)
Gettysburg	United States	Record daily precipitation	26.9 mm (1.1 in)	56 of 100 (Notable)
Ft Jones Rs	United States	Record daily snowfall	25.4 cm (10.0 in)	55 of 100 (Notable)
Klamath Falls 2 SSW	United States	Record daily snowfall	30.5 cm (12.0 in)	54 of 100 (Notable)
East Park Rsvr	United States	Record daily snowfall	20.3 cm (8.0 in)	53 of 100 (Notable)
P-Ranch South Place	United States	Record daily snowfall	22.9 cm (9.0 in)	53 of 100 (Notable)
Riverside 7 SSW	United States	Record daily snowfall	12.7 cm (5.0 in)	53 of 100 (Notable)
Ukiah	United States	Record daily precipitation	80.3 mm (3.2 in)	51 of 100 (Notable)
Oakville 1 WNW	United States	Record daily precipitation	77.0 mm (3.0 in)	50 of 100 (Notable)
Saint Marys College	United States	Record daily precipitation	82.0 mm (3.2 in)	50 of 100 (Notable)
Prospect 2 SW	United States	Record daily snowfall	27.9 cm (11.0 in)	50 of 100 (Notable)
Baudette	United States	Record daily snowfall	30.5 cm (12.0 in)	49 of 100 (Notable)
Chemult	United States	Record daily precipitation	48.5 mm (1.9 in)	49 of 100 (Notable)
Galveston	United States	Record daily precipitation	75.4 mm (3.0 in)	49 of 100 (Notable)
Alice Springs Airport	Australia	Record daily precipitation	46.2 mm (1.8 in)	48 of 100 (Notable)
Kerkwerve	Netherlands	Record daily precipitation	33.5 mm (1.3 in)	48 of 100 (Notable)
Healdsburg	United States	Record daily precipitation	166.6 mm (6.6 in)	48 of 100 (Notable)
Saint Helena	United States	Record daily precipitation	131.8 mm (5.2 in)	48 of 100 (Notable)
Burns WSO City	United States	Record daily precipitation	25.1 mm (1.0 in)	48 of 100 (Notable)
Medford Intl AP	United States	Record daily precipitation	48.5 mm (1.9 in)	48 of 100 (Notable)
Orleans	United States	Record daily snowfall	12.7 cm (5.0 in)	47 of 100 (Notable)
Shasta Dam	United States	Record daily snowfall	25.4 cm (10.0 in)	47 of 100 (Notable)
Butte Falls 1 SE	United States	Record daily snowfall	17.5 cm (6.9 in)	47 of 100 (Notable)
Ontario Ksrv	United States	Record daily snowfall	10.2 cm (4.0 in)	47 of 100 (Notable)
De Sabla	United States	Record daily snowfall	14.0 cm (5.5 in)	46 of 100 (Notable)
Blue Canyon Nyack AP	United States	Record daily precipitation	154.4 mm (6.1 in)	46 of 100 (Notable)
Alameda NAS	United States	Record daily precipitation	42.4 mm (1.7 in)	46 of 100 (Notable)
San Francisco Dwtn	United States	Record daily precipitation	46.5 mm (1.8 in)	46 of 100 (Notable)
Ft Jones Rs	United States	Record daily precipitation	36.6 mm (1.4 in)	45 of 100 (Notable)
Graton	United States	Record daily precipitation	67.1 mm (2.6 in)	45 of 100 (Notable)
Beulah	United States	Record daily snowfall	14.0 cm (5.5 in)	45 of 100 (Notable)
Malad	United States	Record daily snowfall	20.3 cm (8.0 in)	44 of 100 (Notable)
Red Lake Indian Agcy	United States	Record daily snowfall	22.9 cm (9.0 in)	44 of 100 (Notable)
Grenada	United States	Record daily precipitation	128.3 mm (5.1 in)	44 of 100 (Notable)
Imlay	United States	Record daily snowfall	10.2 cm (4.0 in)	44 of 100 (Notable)
Farleigh Co-Op Sugar Mill	Australia	Record daily precipitation	46.0 mm (1.8 in)	43 of 100 (Notable)
St Lawrence Post Office	Australia	Record daily precipitation	44.0 mm (1.7 in)	43 of 100 (Notable)
Pleystowe Sugar Mill	Australia	Record daily precipitation	51.6 mm (2.0 in)	42 of 100 (Notable)
Genoa	Italy	Record daily precipitation	91.4 mm (3.6 in)	42 of 100 (Notable)
Des Arc	United States	Record daily precipitation	49.5 mm (1.9 in)	42 of 100 (Notable)
East Park Rsvr	United States	Record daily precipitation	38.1 mm (1.5 in)	42 of 100 (Notable)
Vacaville	United States	Record daily precipitation	67.6 mm (2.7 in)	42 of 100 (Notable)
Rangely 1E	United States	Record low minimum temperature	-25.6 C (-14.1 F)	42 of 100 (Notable)
Max	United States	Record daily snowfall	17.8 cm (7.0 in)	42 of 100 (Notable)
Prospect 2 SW	United States	Record snow depth	22.9 cm (9.0 in)	42 of 100 (Notable)
Dingo Post Office	Australia	Record daily precipitation	25.0 mm (1.0 in)	41 of 100 (Notable)
Bundarra Post Office	Australia	Record daily precipitation	29.8 mm (1.2 in)	41 of 100 (Notable)
Burlingame	United States	Record daily precipitation	45.7 mm (1.8 in)	41 of 100 (Notable)
Middletown	United States	Record daily precipitation	50.8 mm (2.0 in)	41 of 100 (Notable)
Orovada 3 W	United States	Record daily snowfall	11.4 cm (4.5 in)	41 of 100 (Notable)

Counts by Type and Timescale

1,313 records

Records set or tied on 21 November 1977 by type: Highest daily maximum 79, Lowest daily maximum 279, Highest daily minimum 69, Lowest daily minimum 334, Heaviest daily rainfall 385, Heaviest daily snowfall 111, Deepest snow cover 56.

Records on 21 November 1977 by type
Record type	Records
Highest daily maximum	79
Lowest daily maximum	279
Highest daily minimum	69
Lowest daily minimum	334
Heaviest daily rainfall	385
Heaviest daily snowfall	111
Deepest snow cover	56

Records on 21 November 1977 by timescale: all-time 7, monthly 59, daily 1,247.

How Much Records Were Beaten By

1,140 broken records

Margins by which the 1,140 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 331.0. Ties are not counted.

Top 20 by Significance

21 November 1977

Top 20 records on 21 November 1977 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
21 November 1977	Fergus Falls, US	daily snow depth	30.5 cm (12.0 in)	20.3 cm (8.0 in)	76 years	69 of 100 (Major)
21 November 1977	Alice Springs Post Office, AU	daily rain	47.4 mm (1.9 in)	27.6 mm (1.1 in)	77 years	67 of 100 (Major)
21 November 1977	Undoolya, AU	monthly rain	61.8 mm (2.4 in)	22.7 mm (0.9 in)	65 years	65 of 100 (Major)
21 November 1977	Sonoma, US	all-time rain	137.2 mm (5.4 in)	16.5 mm (0.6 in)	83 years	65 of 100 (Major)
21 November 1977	San Rafael-Civic Ctr, US	monthly rain	165.1 mm (6.5 in)	41.9 mm (1.6 in)	74 years	63 of 100 (Major)
21 November 1977	Petersburg 2 N, US	monthly rain	44.2 mm (1.7 in)	19.6 mm (0.8 in)	33 years	63 of 100 (Major)
21 November 1977	Chiloquin 1 E, US	daily snowfall	35.6 cm (14.0 in)	33.1 cm (13.0 in)	50 years	61 of 100 (Major)
21 November 1977	Lakeport, US	daily rain	72.4 mm (2.9 in)	47.0 mm (1.9 in)	51 years	59 of 100 (Notable)
21 November 1977	Napa State Hospital, US	all-time rain	148.6 mm (5.9 in)	30.2 mm (1.2 in)	15 years	59 of 100 (Notable)
21 November 1977	Susanville 2SW, US	daily snowfall	17.8 cm (7.0 in)	13.7 cm (5.4 in)	76 years	58 of 100 (Notable)
21 November 1977	Lakeview 2 NNW, US	monthly snowfall	27.9 cm (11.0 in)	8.3 cm (3.3 in)	56 years	58 of 100 (Notable)
21 November 1977	Gettysburg, US	daily rain	26.9 mm (1.1 in)	23.9 mm (0.9 in)	30 years	56 of 100 (Notable)
21 November 1977	Ft Jones Rs, US	daily snowfall	25.4 cm (10.0 in)	25.4 cm (10.0 in)	39 years	55 of 100 (Notable)
21 November 1977	Klamath Falls 2 SSW, US	daily snowfall	30.5 cm (12.0 in)	25.4 cm (10.0 in)	22 years	54 of 100 (Notable)
21 November 1977	East Park Rsvr, US	monthly snowfall	20.3 cm (8.0 in)	12.7 cm (5.0 in)	42 years	53 of 100 (Notable)
21 November 1977	P-Ranch South Place, US	all-time snowfall	22.9 cm (9.0 in)	5.1 cm (2.0 in)	35 years	53 of 100 (Notable)
21 November 1977	Riverside 7 SSW, US	daily snowfall	12.7 cm (5.0 in)	7.6 cm (3.0 in)	76 years	53 of 100 (Notable)
21 November 1977	Ukiah, US	daily rain	80.3 mm (3.2 in)	28.2 mm (1.1 in)	76 years	51 of 100 (Notable)
21 November 1977	Oakville 1 WNW, US	daily rain	77.0 mm (3.0 in)	55.9 mm (2.2 in)	11 years	50 of 100 (Notable)
21 November 1977	Saint Marys College, US	daily rain	82.0 mm (3.2 in)	67.5 mm (2.7 in)	26 years	50 of 100 (Notable)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1803 to 1977

Records set or tied on this calendar date in each year from 1803 to 1977. 1977 had 1,313 records.

Counts for years before the ledger starts come from the same station rules.

Records on 11-21 in each year
Year	Records
1803	1
1816	2
1821	2
1829	1
1835	1
1839	1
1844	1
1847	1
1855	1
1856	1
1857	1
1858	4
1866	1
1868	1
1870	2
1871	2
1872	1
1873	2
1874	1
1876	2
1879	4
1880	4
1881	1
1882	1
1883	3
1887	3
1889	1
1890	7
1893	1
1894	4
1896	1
1897	4
1898	3
1899	4
1900	7
1901	5
1902	7
1903	5
1904	9
1905	3
1906	14
1907	7
1908	9
1909	18
1910	23
1911	19
1912	14
1913	79
1914	51
1915	21
1916	66
1917	248
1918	12
1919	22
1920	36
1921	96
1922	42
1923	27
1924	104
1925	73
1926	420
1927	108
1928	109
1929	467
1930	243
1931	682
1932	162
1933	381
1934	578
1935	62
1936	192
1937	1,309
1938	119
1939	303
1940	337
1941	329
1942	662
1943	212
1944	250
1945	308
1946	604
1947	540
1948	414
1949	588
1950	904
1951	605
1952	424
1953	408
1954	927
1955	419
1956	624
1957	442
1958	407
1959	460
1960	691
1961	738
1962	524
1963	601
1964	1,014
1965	448
1966	589
1967	336
1968	358
1969	611
1970	400
1971	514
1972	735
1973	1,100
1974	809
1975	548
1976	315
1977	1,313
1978	1,034
1979	1,409
1980	805
1981	939
1982	807
1983	1,066
1984	525
1985	1,808
1986	815
1987	949
1988	928
1989	797
1990	1,337
1991	944
1992	1,375
1993	1,413
1994	1,179
1995	1,084
1996	1,882
1997	449
1998	1,312
1999	920
2000	1,191
2001	811
2002	847
2003	1,007
2004	873
2005	491
2006	1,181
2007	936
2008	1,079
2009	1,131
2010	894
2011	944
2012	792
2013	543
2014	815
2015	785
2016	1,000
2017	687
2018	391
2019	653
2020	421
2021	296
2022	824
2023	584
2024	519
2025	745

Download the Data

Data for records on 1977-11-21: CSV or JSON. Field meanings are on the data page.

Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Margin	Records
0 to 50	1,049
50 to 100	61
100 to 150	20
150 to 200	5
200 to 250	2
250 to 300	2
300 to 350	1